On Thu, Dec 13, 2012 at 1:29 AM, Brandon Allbery <allber...@gmail.com>wrote:
> On Wed, Dec 12, 2012 at 12:51 PM, Andre Cunha <andrecunha....@gmail.com>wrote: > >> Janek, did you mean something like Rubygems (http://rubygems.org)? It >> manages the download, installation and manipulation of Ruby packages, >> called "gems". A gem can contain executable programs or libraries (just >> like traditional packages, like .rpm). Rubygems also handles dependencies >> between gems, and allows you to update them. >> > > But doesn't solve the actual problem; > Considering that this question is such a FAQ, I believe it would be worthwhile discussing what we think the 'actual problem' is. When Algol-60 was being implemented, the challenge was how to compile using only 2000 words of memory (or something as ridiculous as that). The solution was to make a compiler with 20-odd passes. [Sorry if the details are wrong; its from (neurological) memory] Today not just compilers but databases are vying with each other to go back from disk to memory -- hardly surprising considering that a vanilla machine bought today has a TB of disk and GBs of memory. In short the goal-posts shift with time and we need to readjust priorities accordingly. For myself if the total disk usage of my haskell-related installation were to go up from being linear in the number of packages to quadratic, I am unlikely to care. Of course total naivete in package-management strategy may make it exponential which would make me sit up! Reminds me of a restatement/corollary to Moore's law I recently saw: Programmers' cost increase exponentially with time. Just alpha-rename 'programmer' to 'cabal-installer' On Thu, Dec 13, 2012 at 12:19 AM, Ertugrul Söylemez <e...@ertes.de> wrote: > I'm afraid the burden is that you would have to write the necessary Nix > expressions for your Haskell packages, so until we create a real Nix > channel for Hackage the barrier to entry is high. But it's certainly > possible as a community project. > > I believe you are saying something significant here. Here's my rendering of it. Currently we have a 'managed' hackage server talking to an unmanaged cabal client (in the sense of http://ivanmiljenovic.wordpress.com/2010/03/15/repeat-after-me-cabal-is-not-a-package-manager / ) We need to move to hackage talking to a managed (as with nix) client. So what work is needed to make this happen? -- http://www.the-magus.in http://blog.languager.org
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